3 Answers
3

Aggregation can certainly be used to mean a collection of individuals.

I will note that, in my mind at least, aggregation tends to imply a level of disorganization or heterogeneity that I think somewhat conflicts with the idea of a formalized team. So, while it works well for an ad hoc collaboration working towards a particular end, I probably wouldn't use it for a group that is otherwise already entangled.

While aggregation can technically be used to describe a group of individuals, in common modern usage it only describes a group of objects.

Simon Jester's second example shows a usage of the word that has generally gone out of style.

Language is an ever-evolving animal, and majority usage rules – even if the dictionary tells you otherwise. Dictionaries are outdated almost the moment they are published, especially in this day and age. (Opinion)

If you must use aggregation to describe a group of individuals, try focusing on a quality (i.e. object) that the group shares, e.g.